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First of all . . . get a "Battery Maintainer"! Do NOT get a "Trickle Charger". Trickle Chargers can and will destroy a battery if not monitored closely, as in every few hours. Battery Maintainers do the monitoring for you and prevent damage from overcharging.
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Below is how I ran my connection for my Battery Maintainer.
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Is that wire a prefabbed cable assembly you are buying from a vendor, or did you have to make it yourself and solder on the connectors at each end?
I bought it off Amazon. My charger is Noco brand, and they make it.
It came with the alligator clips originally.
I realize some people use the socket in the footwell successfully, but the fact that that socket can be switched off, is enough to make me not use that method.
Last edited by shrimp money; Dec 22, 2022 at 07:48 PM.
First of all . . . get a "Battery Maintainer"! Do NOT get a "Trickle Charger". Trickle Chargers can and will destroy a battery if not monitored closely, as in every few hours. Battery Maintainers do the monitoring for you and prevent damage from overcharging.
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Below is how I ran my connection for my Battery Maintainer.
Next level. I like it. But I bet you have some issues
added benefit is if it fails the frunk is open.
I bought it off Amazon. My charger is Noco brand, and they make it.
It came with the alligator clips originally.
I realize some people use the socket in the footwell successfully, but the fact that that socket can be switched off, is enough to make me not use that method.
+1 on not being comfortable using footwell socket for charging. In addition to shrimp money’s comment, Porsche engineers did not design the footwell socket for this use. I do not like the idea of energizing my wiring harness (and ECU) to maintain the charge in the battery. I prefer to just directly energize the battery to maintain the charge in the battery. The CTEK maintenance through the footwell socket procedure has probably produced more threads on RL than any other.
shrimp money - I noticed you connected to the ground point rather than directly to the battery negative post. The owners manual does instruct to charge with ground point. But almost every example posted show connected directly to the battery positive and negative terminals.
Originally Posted by shrimp money
Last edited by lostcolorado; Jan 2, 2023 at 02:34 AM.
I have a 21 C2S with AGM battery that I drive 3-4x/week, so never had to connect to a maintainer. Going on vacation for 2+ weeks shortly and picked up a Deltran 4.5amp Battery Tender from Costco. Connected to ground on strut tower and connecting plug peaks out from corner under the plastic cover. Works perfectly!
I had the same concern, but ultimately ordered a charger and connected it to the footwell. Just plugged it in, turned on the ignition, turned the ignition back off, and didn’t have a problem.
shrimp money - I noticed you connected to the ground point rather than directly to the battery negative post. The owners manual does instruct to charge with ground point. But almost every example posted show connected directly to the battery positive and negative terminals.
It pained me to mess up the pretty blue paint on the nut, but that’s what touch up paint is for. In addition to following the manual, the Noco charging terminal rings aren’t open on one end, like this —-C if you will. The nut on the negative terminal post doesn’t come off, so it would have forced me to cut a notch in the Noco terminal rings if I wanted to connect to the battery directly.
I had the same concern, but ultimately ordered a charger and connected it to the footwell. Just plugged it in, turned on the ignition, turned the ignition back off, and didn’t have a problem.
A battery trickle charger can ultimately cook your battery. They are not to be confused with a battery maintainer or float charger…they are not the same and the terminology causes confusion…the title of this thread should be battery maintainer not trickle charger. Battery maintainers don’t supply a continual current…trickles do…so be sure to get the correct device…those that have said that they have not had problems have been lucky but don’t advise others to get one.
A battery trickle charger can ultimately cook your battery. They are not to be confused with a battery maintainer or float charger…they are not the same and the terminology causes confusion…the title of this thread should be battery maintainer not trickle charger. Battery maintainers don’t supply a continual current…trickles do…so be sure to get the correct device…those that have said that they have not had problems have been lucky but don’t advise others to get one.
Honestly since we are past 1992, I think we all can agree, you can not buy a trickle charger anymore, all of them are maintainers - specifically when talking about auto AGM and LiPo...
So yes, trickle chargers are not the right word, as these all have been replaced with intelligent chargers, unless you are pulling one from 20 years ago.
I am guilty of saying trickle charger, as that is what some of us grew up with. Best we all say maintainers, float chargers, etc. etc.
It pained me to mess up the pretty blue paint on the nut, but that’s what touch up paint is for. In addition to following the manual, the Noco charging terminal rings aren’t open on one end, like this —-C if you will. The nut on the negative terminal post doesn’t come off, so it would have forced me to cut a notch in the Noco terminal rings if I wanted to connect to the battery directly.
exactly. The captured nut on the negative terminal was all the persuasion I needed to use the ground point also.
